/*
 * Copyright 2023 AntGroup CO., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

package com.antgroup.geaflow.dsl.rel;

import com.antgroup.geaflow.dsl.rel.match.IMatchNode;
import org.apache.calcite.rel.RelNode;

public abstract class AbstractMatchNodeVisitor<T> implements MatchNodeVisitor<T> {

    @Override
    public T visit(RelNode node) {
        if (node instanceof IMatchNode) {
            return ((IMatchNode) node).accept(this);
        }
        throw new IllegalArgumentException("node is not a IMatchNode");
    }
}
